We used to unmap the firmware image right after "jailhouse disable". Change that and keep the firmware mapped until we exit the module or restart jailhouse. This way we can look into the firmware that just ran.
This will be used by later patches. Signed-off-by: Henning Schild <[email protected]> diff --git a/driver/main.c b/driver/main.c --- a/driver/main.c +++ b/driver/main.c @@ -393,7 +393,9 @@ #ifdef JAILHOUSE_BORROW_ROOT_PT remap_addr = JAILHOUSE_BASE; #endif - /* Map physical memory region reserved for Jailhouse. */ + /* Map physical memory region reserved for Jailhouse. And unmap + * the old one if it is not the first "jailhouse enable" */ + jailhouse_firmware_free(); hypervisor_mem = jailhouse_ioremap(hv_mem->phys_start, remap_addr, hv_mem->size); if (!hypervisor_mem) { @@ -608,8 +610,6 @@ update_last_console(); - jailhouse_firmware_free(); - jailhouse_cell_delete_root(); jailhouse_enabled = false; module_put(THIS_MODULE); @@ -832,6 +832,7 @@ unregister_reboot_notifier(&jailhouse_shutdown_nb); misc_deregister(&jailhouse_misc_dev); jailhouse_sysfs_exit(jailhouse_dev); + jailhouse_firmware_free(); jailhouse_pci_unregister(); root_device_unregister(jailhouse_dev); } -- You received this message because you are subscribed to the Google Groups "Jailhouse" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
